/*
 * Copyright:  2018 smarabbit studio.
 *
 *  Licensed under the Confluent Community License; you may not use this file
 *  except in compliance with the License.  You may obtain a copy of the License at
 *
 *  http://www.confluent.io/confluent-community-license
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OF ANY KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations under the License.
 *
 *  @作   者： 黄开晖 (117227773@qq.com)
 *  @日   期:  2021年7月13日
 */
package com.massyframework.beanskin.runtime.modular.assembly.handling;

import java.util.Collection;
import java.util.Collections;

import com.massyframework.beanskin.assembly.DependencyMatcher;
import com.massyframework.beanskin.assembly.handling.DependencyServiceHandler;
import com.massyframework.beanskin.assembly.handling.HandlerBase;
import com.massyframework.beanskin.service.DependencyServiceDescriptor;
import com.massyframework.beanskin.service.ServiceReference;

/**
 * 缺省的依赖匹配服务
 * @author huangkh
 *
 */
final class DefaultDependencyMatcher extends HandlerBase implements DependencyMatcher {
	
	/**
	 * 
	 */
	public DefaultDependencyMatcher() {
		
	}

	@Override
	public <S> ServiceReference<S> findMatchedServiceReference(DependencyServiceDescriptor<S> descriptor) {
		DependencyServiceHandler handler = this.findHandler(DependencyServiceHandler.class);
		return handler == null ? null : handler.findMatchedServiceReference(descriptor);
	}

	@Override
	public Collection<DependencyServiceDescriptor<?>> getUnmatchDependencyServiceDescriptors() {
		DependencyServiceHandler handler = this.findHandler(DependencyServiceHandler.class);
		return handler == null ? Collections.emptyList() : handler.getUnmatchDependencyServiceDescriptors();
	}

	@Override
	public boolean isAllMatched() {
		DependencyServiceHandler handler = this.findHandler(DependencyServiceHandler.class);
		return handler == null ? true: handler.isAllMatched();
	}

}
